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FrozenT [24]
3 years ago
12

If the measure of an angle is 10 degrees find the measure of its supplement ?

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0

Supplementary angles are 180 in total, so to find the answer you do 180-10, which equals 170. The answer is 170

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Which expressions are equivalent to 4^-2 times 7^-2
Harlamova29_29 [7]

Step-by-step explanation:

= {4}^{ - 2}  \times  {7}^{ - 2}

=  {(4 \times 7)}^{ - 2}

=  {28}^{ - 2}

=  \frac{1}{ {28}^{2} }

7 0
3 years ago
I need help on this question please I know so much help in one hour ( don't mind hand writing I'm rushing )
-Dominant- [34]
18 because they need to be identical and you only have 18 chocolate bars
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A semicircular window with a RADIUS OF 20 inches is going to be laminated with a sunblock coating that costs 1.50 PER SQUARE INC
yan [13]

Answer:

B:942$

Step-by-step explanation:

(pi*20^2)/2 is approximately 628.32

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3 0
2 years ago
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A family wants to build a rectangular garden on one side of a barn. If 600 feet of fencing is available to use, then what is the
vovangra [49]

Answer: (A) A=300l-l^{2}

               (B) Length varies between 1 and 150

               (C) Largest area is 22500ft²

Step-by-step explanation: Suppose length is l and width is w.

The rectangular garden has perimeter of 600ft, which is mathematically represented as

2l+2w=600

Area of a rectangle is calculated as

A=lw

Now, we have a system of equations:

2l+2w=600

A=lw

Isolate w, so we have l:

2w=600-2l

w = 300 - l

Substitute in the area equation:

A = l(300 - l)

A = 300l - l²

(A) <u>Function of area in terms of length is given by </u><u>A = 300l - l²</u>

(B) The practical domain for this function is values between 1 and 150.

(C) For the largest area, we need to determine the largest garden possible. For that, we take first derivative of the function:

A' = 300 - 2l

Find the values of l when A'=0:

300 - 2l = 0

2l = 300

l = 150

Replace l in the equation:

w = 300 - 150

w = 150

Now, calculate the largest area:

A = 150*150

A = 22500

<u>The largest area the fence can enclose is </u><u>22500ft².</u>

4 0
3 years ago
What is the value of x in the equation 2.5 x + 10 = x minus 0.5?
irinina [24]

Answer:

x=7

Step-by-step explanation:

2.5x+10=x-0.5\\2.5x-(x)+10-(10)=x-(x)-0.5-(10)\\1.5x=-10.5\\x=7

6 0
2 years ago
Read 2 more answers
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